Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

31NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

Friday
High: 84 °F
N 10kt
1ft
Friday Night
Low: 64 °F
NNE 10kt
1ft
Saturday
High: 76 °F
NE 10kt
1ft
Saturday Night
Low: 67 °F
E 10kt
1ft
Sunday
High: 79 °F
SSE 10kt
1ft
Sunday Night
Low: 68 °F
Light Wind
1ft
Monday
High: 75 °F
NE 10kt
1ft
Monday Night
Low: 64 °F
ENE 10kt
1ft
Tuesday
High: 71 °F
ENE 15kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 am EDT Sep 18, 2026
Forecast Valid: 4am EDT Sep 18, 2026-6pm EDT Sep 24, 2026

View Nearby Observations

Detailed Forecast

Friday

WNW wind 5 to 10 kt becoming N in the morning. Mostly sunny. Waves around 1 ft.

Friday Night

NNE wind 5 to 10 kt. Mostly cloudy. Waves around 1 ft.

Saturday

NE wind around 10 kt becoming E in the afternoon. Partly sunny. Waves around 1 ft.

Saturday Night

E wind 5 to 10 kt. Mostly cloudy. Waves around 1 ft.

Sunday

SSE wind 5 to 10 kt. A chance of showers after 2pm. Waves around 1 ft.

Sunday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Waves around 1 ft.

Monday

NE wind 5 to 10 kt. A chance of showers. Waves around 1 ft.

Monday Night

ENE wind around 10 kt. A chance of showers. Waves around 1 ft.

Tuesday

ENE wind 10 to 15 kt, with gusts as high as 25 kt. A chance of showers. Waves 1 to 2 ft.

Winds and seas higher in and near tstms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.